5.13 - Chromatin, Chromosomes AND Microbodies

3. Many membrane bound minute vesicles called ........... .
4. Based on the position of the centromere, the chromosomes can be classified into ......... types.
10. The ........... has middle centromere forming two equal arms of the chromosome.
12. A single human cell has approximately ............. long thread of DNA distributed among its fortysix (twentythree pairs) chromosomes.
13. Microbodies contain various ............, are present in both plant and animal cells.

1. Sometimes a few chromosomes have non-staining ........... constrictions at a ......... location.
2. In case of ............... the centromere is situated close to its end forming one extremely short and one very long arm.
5. The sub-metacentric chromosome has centromere ............ away from the middle of the chromosome resulting into one shorter arm and one longer arm.
6. Every chromosome (visible only in dividing cells) essentially has a primary constriction or the centromere on the sides of which disc shaped structures called ............ are present.
7. You will study the details of DNA packaging in the form of a ............in class XII.
8. ............. contains DNA and some basic proteins called histones, some non-histone proteins and also RNA.
9. ......... holds two chromatids of a chromosome.
11. This gives the appearance of a small fragment called the .............
12. The telocentric chromosome has a ........... centromere.